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The properties of some covariance matrix estimators in linear models with AR (1) errors
Miyazaki, Shigetaka, (1984)
Estimation of Location Parameters under Nonnormal Errors and Quadratic Loss.
Miyazaki, Shigetaka, (1986)
Minimax Estimators for the Location Vectors of Spherically Symmetric Densities
Judge, George, (1985)